top of page
NOW OPEN! Our new location at 179 Quincy St., Brockton is welcoming patients. READ THE ANNOUNCEMENT.
One team,
gathered around you
Alexander Griffin, MD
Regional Medical Director
Dr. Griffin is the Regional Medical Director at Gather Health, bringing over 14 years of experience as a board-certified Internal Medicine and Infectious Disease physician. His career is distinguished by a unique blend of clinical expertise and leadership in healthcare administration. Fluent in Spanish and with intermediate proficiency in Vietnamese, Dr. Griffin effectively communicates with diverse patient populations.
Before joining Gather Health, Dr. Griffin held several leadership roles, including Director of Ambulatory Medicine and Program Director for the Transitional Residency at Carney Hospital, as well as Infection Control Chair at New England Sinai Hospital. His experience includes managing complex medical care for hospitalized patients, conducting comprehensive assessments, interpreting diagnostic studies, and facilitating smooth transitions of care. Throughout his career, he has demonstrated a commitment to enhancing patient outcomes and optimizing healthcare delivery in various community settings.
Dr. Griffin is active in professional organizations and contributes to numerous publications and presentations, reflecting his dedication to ongoing learning and advocacy for quality healthcare for all. In his free time, he enjoys traveling and spending quality time with his loved ones.
Dr. Griffin is the Regional Medical Director at Gather Health, bringing over 14 years of experience as a board-certified Internal Medicine and Infectious Disease physician. His career is distinguished by a unique blend of clinical expertise and leadership in healthcare administration. Fluent in Spanish and with intermediate proficiency in Vietnamese, Dr. Griffin effectively communicates with diverse patient populations.
Before joining Gather Health, Dr. Griffin held several leadership roles, including Director of Ambulatory Medicine and Program Director for the Transitional Residency at Carney Hospital, as well as Infection Control Chair at New England Sinai Hospital. His experience includes managing complex medical care for hospitalized patients, conducting comprehensive assessments, interpreting diagnostic studies, and facilitating smooth transitions of care. Throughout his career, he has demonstrated a commitment to enhancing patient outcomes and optimizing healthcare delivery in various community settings.
Dr. Griffin is active in professional organizations and contributes to numerous publications and presentations, reflecting his dedication to ongoing learning and advocacy for quality healthcare for all. In his free time, he enjoys traveling and spending quality time with his loved ones.
Dan Henderson, MD
Regional Medical Director
Dr. Daniel Henderson graduated from the University of Connecticut School of Medicine, the Harvard School of Public Health, and completed Internal Medicine residency at Columbia University. He is Board Certified in Internal Medicine. Dr. Henderson was previously an innovation fellow at the Massachusetts General Hospital, where he ran the hospital's quality improvement academy, helped establish the MGH Healthy Lifestyle Program, and was the primary care physician to many MGH health professionals, including over 100 physicians. He also served as CMO for instED, a Boston-based mobile urgent care provider, and led a grant-funded research project on stress balance and health with Ariadne Labs.
Dr. Henderson's clinical interests include heart health, lifestyle medicine with an emphasis on sleep, and obesity medicine. In his free time, he enjoys running, photography, and chasing his daughters and corgi around the back yard.
Dr. Daniel Henderson graduated from the University of Connecticut School of Medicine, the Harvard School of Public Health, and completed Internal Medicine residency at Columbia University. He is Board Certified in Internal Medicine. Dr. Henderson was previously an innovation fellow at the Massachusetts General Hospital, where he ran the hospital's quality improvement academy, helped establish the MGH Healthy Lifestyle Program, and was the primary care physician to many MGH health professionals, including over 100 physicians. He also served as CMO for instED, a Boston-based mobile urgent care provider, and led a grant-funded research project on stress balance and health with Ariadne Labs.
Dr. Henderson's clinical interests include heart health, lifestyle medicine with an emphasis on sleep, and obesity medicine. In his free time, he enjoys running, photography, and chasing his daughters and corgi around the back yard.
Nibal Harati, MD
Primary Care Partner
Dr. Harati is a highly experienced physician leader with over two decades of expertise in primary care and internal medicine, dedicated to providing comprehensive and compassionate patient care. Prior to joining Gather Health, he served as both a primary care provider in Quincy and the Director of Ambulatory Care for the Categorical Internal Medicine Residency Program at Steward Medical Group Carney Hospital in Boston. Throughout his career, Dr. Harati has held positions at respected institutions, including Plymouth Medical Group and Caritas Carney Hospital, consistently focusing on primary care and internal medicine. He has a particular interest in cardiology and a strong commitment to medical education, demonstrated by his experience as a preceptor for internal medicine residents.
Dr. Harati's contributions to medical research are evidenced by his publications in the Journal of the American College of Cardiology and his research fellowship at the New England Medical Center. He is fluent in English, French, and Arabic. In his free time, Dr. Harati enjoys traveling and spending time with his family.
Dr. Harati is a highly experienced physician leader with over two decades of expertise in primary care and internal medicine, dedicated to providing comprehensive and compassionate patient care. Prior to joining Gather Health, he served as both a primary care provider in Quincy and the Director of Ambulatory Care for the Categorical Internal Medicine Residency Program at Steward Medical Group Carney Hospital in Boston. Throughout his career, Dr. Harati has held positions at respected institutions, including Plymouth Medical Group and Caritas Carney Hospital, consistently focusing on primary care and internal medicine. He has a particular interest in cardiology and a strong commitment to medical education, demonstrated by his experience as a preceptor for internal medicine residents.
Dr. Harati's contributions to medical research are evidenced by his publications in the Journal of the American College of Cardiology and his research fellowship at the New England Medical Center. He is fluent in English, French, and Arabic. In his free time, Dr. Harati enjoys traveling and spending time with his family.
Alexander Griffin, MD
Regional Medical Director
Dr. Griffin is the Regional Medical Director at Gather Health, bringing over 14 years of experience as a board-certified Internal Medicine and Infectious Disease physician. His career is distinguished by a unique blend of clinical expertise and leadership in healthcare administration. Fluent in Spanish and with intermediate proficiency in Vietnamese, Dr. Griffin effectively communicates with diverse patient populations.
Before joining Gather Health, Dr. Griffin held several leadership roles, including Director of Ambulatory Medicine and Program Director for the Transitional Residency at Carney Hospital, as well as Infection Control Chair at New England Sinai Hospital. His experience includes managing complex medical care for hospitalized patients, conducting comprehensive assessments, interpreting diagnostic studies, and facilitating smooth transitions of care. Throughout his career, he has demonstrated a commitment to enhancing patient outcomes and optimizing healthcare delivery in various community settings.
Dr. Griffin is active in professional organizations and contributes to numerous publications and presentations, reflecting his dedication to ongoing learning and advocacy for quality healthcare for all. In his free time, he enjoys traveling and spending quality time with his loved ones.
Dr. Griffin is the Regional Medical Director at Gather Health, bringing over 14 years of experience as a board-certified Internal Medicine and Infectious Disease physician. His career is distinguished by a unique blend of clinical expertise and leadership in healthcare administration. Fluent in Spanish and with intermediate proficiency in Vietnamese, Dr. Griffin effectively communicates with diverse patient populations.
Before joining Gather Health, Dr. Griffin held several leadership roles, including Director of Ambulatory Medicine and Program Director for the Transitional Residency at Carney Hospital, as well as Infection Control Chair at New England Sinai Hospital. His experience includes managing complex medical care for hospitalized patients, conducting comprehensive assessments, interpreting diagnostic studies, and facilitating smooth transitions of care. Throughout his career, he has demonstrated a commitment to enhancing patient outcomes and optimizing healthcare delivery in various community settings.
Dr. Griffin is active in professional organizations and contributes to numerous publications and presentations, reflecting his dedication to ongoing learning and advocacy for quality healthcare for all. In his free time, he enjoys traveling and spending quality time with his loved ones.
Dan Henderson, MD
Regional Medical Director
Dr. Daniel Henderson graduated from the University of Connecticut School of Medicine, the Harvard School of Public Health, and completed Internal Medicine residency at Columbia University. He is Board Certified in Internal Medicine. Dr. Henderson was previously an innovation fellow at the Massachusetts General Hospital, where he ran the hospital's quality improvement academy, helped establish the MGH Healthy Lifestyle Program, and was the primary care physician to many MGH health professionals, including over 100 physicians. He also served as CMO for instED, a Boston-based mobile urgent care provider, and led a grant-funded research project on stress balance and health with Ariadne Labs.
Dr. Henderson's clinical interests include heart health, lifestyle medicine with an emphasis on sleep, and obesity medicine. In his free time, he enjoys running, photography, and chasing his daughters and corgi around the back yard.
Dr. Daniel Henderson graduated from the University of Connecticut School of Medicine, the Harvard School of Public Health, and completed Internal Medicine residency at Columbia University. He is Board Certified in Internal Medicine. Dr. Henderson was previously an innovation fellow at the Massachusetts General Hospital, where he ran the hospital's quality improvement academy, helped establish the MGH Healthy Lifestyle Program, and was the primary care physician to many MGH health professionals, including over 100 physicians. He also served as CMO for instED, a Boston-based mobile urgent care provider, and led a grant-funded research project on stress balance and health with Ariadne Labs.
Dr. Henderson's clinical interests include heart health, lifestyle medicine with an emphasis on sleep, and obesity medicine. In his free time, he enjoys running, photography, and chasing his daughters and corgi around the back yard.
Nibal Harati, MD
Primary Care Partner
Dr. Harati is a highly experienced physician leader with over two decades of expertise in primary care and internal medicine, dedicated to providing comprehensive and compassionate patient care. Prior to joining Gather Health, he served as both a primary care provider in Quincy and the Director of Ambulatory Care for the Categorical Internal Medicine Residency Program at Steward Medical Group Carney Hospital in Boston. Throughout his career, Dr. Harati has held positions at respected institutions, including Plymouth Medical Group and Caritas Carney Hospital, consistently focusing on primary care and internal medicine. He has a particular interest in cardiology and a strong commitment to medical education, demonstrated by his experience as a preceptor for internal medicine residents.
Dr. Harati's contributions to medical research are evidenced by his publications in the Journal of the American College of Cardiology and his research fellowship at the New England Medical Center. He is fluent in English, French, and Arabic. In his free time, Dr. Harati enjoys traveling and spending time with his family.
Dr. Harati is a highly experienced physician leader with over two decades of expertise in primary care and internal medicine, dedicated to providing comprehensive and compassionate patient care. Prior to joining Gather Health, he served as both a primary care provider in Quincy and the Director of Ambulatory Care for the Categorical Internal Medicine Residency Program at Steward Medical Group Carney Hospital in Boston. Throughout his career, Dr. Harati has held positions at respected institutions, including Plymouth Medical Group and Caritas Carney Hospital, consistently focusing on primary care and internal medicine. He has a particular interest in cardiology and a strong commitment to medical education, demonstrated by his experience as a preceptor for internal medicine residents.
Dr. Harati's contributions to medical research are evidenced by his publications in the Journal of the American College of Cardiology and his research fellowship at the New England Medical Center. He is fluent in English, French, and Arabic. In his free time, Dr. Harati enjoys traveling and spending time with his family.
Alexander Griffin, MD
Regional Medical Director
Dr. Griffin is the Regional Medical Director at Gather Health, bringing over 14 years of experience as a board-certified Internal Medicine and Infectious Disease physician. His career is distinguished by a unique blend of clinical expertise and leadership in healthcare administration. Fluent in Spanish and with intermediate proficiency in Vietnamese, Dr. Griffin effectively communicates with diverse patient populations.
Before joining Gather Health, Dr. Griffin held several leadership roles, including Director of Ambulatory Medicine and Program Director for the Transitional Residency at Carney Hospital, as well as Infection Control Chair at New England Sinai Hospital. His experience includes managing complex medical care for hospitalized patients, conducting comprehensive assessments, interpreting diagnostic studies, and facilitating smooth transitions of care. Throughout his career, he has demonstrated a commitment to enhancing patient outcomes and optimizing healthcare delivery in various community settings.
Dr. Griffin is active in professional organizations and contributes to numerous publications and presentations, reflecting his dedication to ongoing learning and advocacy for quality healthcare for all. In his free time, he enjoys traveling and spending quality time with his loved ones.
Dr. Griffin is the Regional Medical Director at Gather Health, bringing over 14 years of experience as a board-certified Internal Medicine and Infectious Disease physician. His career is distinguished by a unique blend of clinical expertise and leadership in healthcare administration. Fluent in Spanish and with intermediate proficiency in Vietnamese, Dr. Griffin effectively communicates with diverse patient populations.
Before joining Gather Health, Dr. Griffin held several leadership roles, including Director of Ambulatory Medicine and Program Director for the Transitional Residency at Carney Hospital, as well as Infection Control Chair at New England Sinai Hospital. His experience includes managing complex medical care for hospitalized patients, conducting comprehensive assessments, interpreting diagnostic studies, and facilitating smooth transitions of care. Throughout his career, he has demonstrated a commitment to enhancing patient outcomes and optimizing healthcare delivery in various community settings.
Dr. Griffin is active in professional organizations and contributes to numerous publications and presentations, reflecting his dedication to ongoing learning and advocacy for quality healthcare for all. In his free time, he enjoys traveling and spending quality time with his loved ones.
Dan Henderson, MD
Regional Medical Director
Dr. Daniel Henderson graduated from the University of Connecticut School of Medicine, the Harvard School of Public Health, and completed Internal Medicine residency at Columbia University. He is Board Certified in Internal Medicine. Dr. Henderson was previously an innovation fellow at the Massachusetts General Hospital, where he ran the hospital's quality improvement academy, helped establish the MGH Healthy Lifestyle Program, and was the primary care physician to many MGH health professionals, including over 100 physicians. He also served as CMO for instED, a Boston-based mobile urgent care provider, and led a grant-funded research project on stress balance and health with Ariadne Labs.
Dr. Henderson's clinical interests include heart health, lifestyle medicine with an emphasis on sleep, and obesity medicine. In his free time, he enjoys running, photography, and chasing his daughters and corgi around the back yard.
Dr. Daniel Henderson graduated from the University of Connecticut School of Medicine, the Harvard School of Public Health, and completed Internal Medicine residency at Columbia University. He is Board Certified in Internal Medicine. Dr. Henderson was previously an innovation fellow at the Massachusetts General Hospital, where he ran the hospital's quality improvement academy, helped establish the MGH Healthy Lifestyle Program, and was the primary care physician to many MGH health professionals, including over 100 physicians. He also served as CMO for instED, a Boston-based mobile urgent care provider, and led a grant-funded research project on stress balance and health with Ariadne Labs.
Dr. Henderson's clinical interests include heart health, lifestyle medicine with an emphasis on sleep, and obesity medicine. In his free time, he enjoys running, photography, and chasing his daughters and corgi around the back yard.
Nibal Harati, MD
Primary Care Partner
Dr. Harati is a highly experienced physician leader with over two decades of expertise in primary care and internal medicine, dedicated to providing comprehensive and compassionate patient care. Prior to joining Gather Health, he served as both a primary care provider in Quincy and the Director of Ambulatory Care for the Categorical Internal Medicine Residency Program at Steward Medical Group Carney Hospital in Boston. Throughout his career, Dr. Harati has held positions at respected institutions, including Plymouth Medical Group and Caritas Carney Hospital, consistently focusing on primary care and internal medicine. He has a particular interest in cardiology and a strong commitment to medical education, demonstrated by his experience as a preceptor for internal medicine residents.
Dr. Harati's contributions to medical research are evidenced by his publications in the Journal of the American College of Cardiology and his research fellowship at the New England Medical Center. He is fluent in English, French, and Arabic. In his free time, Dr. Harati enjoys traveling and spending time with his family.
Dr. Harati is a highly experienced physician leader with over two decades of expertise in primary care and internal medicine, dedicated to providing comprehensive and compassionate patient care. Prior to joining Gather Health, he served as both a primary care provider in Quincy and the Director of Ambulatory Care for the Categorical Internal Medicine Residency Program at Steward Medical Group Carney Hospital in Boston. Throughout his career, Dr. Harati has held positions at respected institutions, including Plymouth Medical Group and Caritas Carney Hospital, consistently focusing on primary care and internal medicine. He has a particular interest in cardiology and a strong commitment to medical education, demonstrated by his experience as a preceptor for internal medicine residents.
Dr. Harati's contributions to medical research are evidenced by his publications in the Journal of the American College of Cardiology and his research fellowship at the New England Medical Center. He is fluent in English, French, and Arabic. In his free time, Dr. Harati enjoys traveling and spending time with his family.
Alexander Griffin, MD
Regional Medical Director
Dr. Griffin is the Regional Medical Director at Gather Health, bringing over 14 years of experience as a board-certified Internal Medicine and Infectious Disease physician. His career is distinguished by a unique blend of clinical expertise and leadership in healthcare administration. Fluent in Spanish and with intermediate proficiency in Vietnamese, Dr. Griffin effectively communicates with diverse patient populations.
Before joining Gather Health, Dr. Griffin held several leadership roles, including Director of Ambulatory Medicine and Program Director for the Transitional Residency at Carney Hospital, as well as Infection Control Chair at New England Sinai Hospital. His experience includes managing complex medical care for hospitalized patients, conducting comprehensive assessments, interpreting diagnostic studies, and facilitating smooth transitions of care. Throughout his career, he has demonstrated a commitment to enhancing patient outcomes and optimizing healthcare delivery in various community settings.
Dr. Griffin is active in professional organizations and contributes to numerous publications and presentations, reflecting his dedication to ongoing learning and advocacy for quality healthcare for all. In his free time, he enjoys traveling and spending quality time with his loved ones.
Dr. Griffin is the Regional Medical Director at Gather Health, bringing over 14 years of experience as a board-certified Internal Medicine and Infectious Disease physician. His career is distinguished by a unique blend of clinical expertise and leadership in healthcare administration. Fluent in Spanish and with intermediate proficiency in Vietnamese, Dr. Griffin effectively communicates with diverse patient populations.
Before joining Gather Health, Dr. Griffin held several leadership roles, including Director of Ambulatory Medicine and Program Director for the Transitional Residency at Carney Hospital, as well as Infection Control Chair at New England Sinai Hospital. His experience includes managing complex medical care for hospitalized patients, conducting comprehensive assessments, interpreting diagnostic studies, and facilitating smooth transitions of care. Throughout his career, he has demonstrated a commitment to enhancing patient outcomes and optimizing healthcare delivery in various community settings.
Dr. Griffin is active in professional organizations and contributes to numerous publications and presentations, reflecting his dedication to ongoing learning and advocacy for quality healthcare for all. In his free time, he enjoys traveling and spending quality time with his loved ones.
Dan Henderson, MD
Regional Medical Director
Dr. Daniel Henderson graduated from the University of Connecticut School of Medicine, the Harvard School of Public Health, and completed Internal Medicine residency at Columbia University. He is Board Certified in Internal Medicine. Dr. Henderson was previously an innovation fellow at the Massachusetts General Hospital, where he ran the hospital's quality improvement academy, helped establish the MGH Healthy Lifestyle Program, and was the primary care physician to many MGH health professionals, including over 100 physicians. He also served as CMO for instED, a Boston-based mobile urgent care provider, and led a grant-funded research project on stress balance and health with Ariadne Labs.
Dr. Henderson's clinical interests include heart health, lifestyle medicine with an emphasis on sleep, and obesity medicine. In his free time, he enjoys running, photography, and chasing his daughters and corgi around the back yard.
Dr. Daniel Henderson graduated from the University of Connecticut School of Medicine, the Harvard School of Public Health, and completed Internal Medicine residency at Columbia University. He is Board Certified in Internal Medicine. Dr. Henderson was previously an innovation fellow at the Massachusetts General Hospital, where he ran the hospital's quality improvement academy, helped establish the MGH Healthy Lifestyle Program, and was the primary care physician to many MGH health professionals, including over 100 physicians. He also served as CMO for instED, a Boston-based mobile urgent care provider, and led a grant-funded research project on stress balance and health with Ariadne Labs.
Dr. Henderson's clinical interests include heart health, lifestyle medicine with an emphasis on sleep, and obesity medicine. In his free time, he enjoys running, photography, and chasing his daughters and corgi around the back yard.
Nibal Harati, MD
Primary Care Partner
Dr. Harati is a highly experienced physician leader with over two decades of expertise in primary care and internal medicine, dedicated to providing comprehensive and compassionate patient care. Prior to joining Gather Health, he served as both a primary care provider in Quincy and the Director of Ambulatory Care for the Categorical Internal Medicine Residency Program at Steward Medical Group Carney Hospital in Boston. Throughout his career, Dr. Harati has held positions at respected institutions, including Plymouth Medical Group and Caritas Carney Hospital, consistently focusing on primary care and internal medicine. He has a particular interest in cardiology and a strong commitment to medical education, demonstrated by his experience as a preceptor for internal medicine residents.
Dr. Harati's contributions to medical research are evidenced by his publications in the Journal of the American College of Cardiology and his research fellowship at the New England Medical Center. He is fluent in English, French, and Arabic. In his free time, Dr. Harati enjoys traveling and spending time with his family.
Dr. Harati is a highly experienced physician leader with over two decades of expertise in primary care and internal medicine, dedicated to providing comprehensive and compassionate patient care. Prior to joining Gather Health, he served as both a primary care provider in Quincy and the Director of Ambulatory Care for the Categorical Internal Medicine Residency Program at Steward Medical Group Carney Hospital in Boston. Throughout his career, Dr. Harati has held positions at respected institutions, including Plymouth Medical Group and Caritas Carney Hospital, consistently focusing on primary care and internal medicine. He has a particular interest in cardiology and a strong commitment to medical education, demonstrated by his experience as a preceptor for internal medicine residents.
Dr. Harati's contributions to medical research are evidenced by his publications in the Journal of the American College of Cardiology and his research fellowship at the New England Medical Center. He is fluent in English, French, and Arabic. In his free time, Dr. Harati enjoys traveling and spending time with his family.
Alexander Griffin, MD
Regional Medical Director
Dr. Griffin is the Regional Medical Director at Gather Health, bringing over 14 years of experience as a board-certified Internal Medicine and Infectious Disease physician. His career is distinguished by a unique blend of clinical expertise and leadership in healthcare administration. Fluent in Spanish and with intermediate proficiency in Vietnamese, Dr. Griffin effectively communicates with diverse patient populations.
Before joining Gather Health, Dr. Griffin held several leadership roles, including Director of Ambulatory Medicine and Program Director for the Transitional Residency at Carney Hospital, as well as Infection Control Chair at New England Sinai Hospital. His experience includes managing complex medical care for hospitalized patients, conducting comprehensive assessments, interpreting diagnostic studies, and facilitating smooth transitions of care. Throughout his career, he has demonstrated a commitment to enhancing patient outcomes and optimizing healthcare delivery in various community settings.
Dr. Griffin is active in professional organizations and contributes to numerous publications and presentations, reflecting his dedication to ongoing learning and advocacy for quality healthcare for all. In his free time, he enjoys traveling and spending quality time with his loved ones.
Dr. Griffin is the Regional Medical Director at Gather Health, bringing over 14 years of experience as a board-certified Internal Medicine and Infectious Disease physician. His career is distinguished by a unique blend of clinical expertise and leadership in healthcare administration. Fluent in Spanish and with intermediate proficiency in Vietnamese, Dr. Griffin effectively communicates with diverse patient populations.
Before joining Gather Health, Dr. Griffin held several leadership roles, including Director of Ambulatory Medicine and Program Director for the Transitional Residency at Carney Hospital, as well as Infection Control Chair at New England Sinai Hospital. His experience includes managing complex medical care for hospitalized patients, conducting comprehensive assessments, interpreting diagnostic studies, and facilitating smooth transitions of care. Throughout his career, he has demonstrated a commitment to enhancing patient outcomes and optimizing healthcare delivery in various community settings.
Dr. Griffin is active in professional organizations and contributes to numerous publications and presentations, reflecting his dedication to ongoing learning and advocacy for quality healthcare for all. In his free time, he enjoys traveling and spending quality time with his loved ones.
Dan Henderson, MD
Regional Medical Director
Dr. Daniel Henderson graduated from the University of Connecticut School of Medicine, the Harvard School of Public Health, and completed Internal Medicine residency at Columbia University. He is Board Certified in Internal Medicine. Dr. Henderson was previously an innovation fellow at the Massachusetts General Hospital, where he ran the hospital's quality improvement academy, helped establish the MGH Healthy Lifestyle Program, and was the primary care physician to many MGH health professionals, including over 100 physicians. He also served as CMO for instED, a Boston-based mobile urgent care provider, and led a grant-funded research project on stress balance and health with Ariadne Labs.
Dr. Henderson's clinical interests include heart health, lifestyle medicine with an emphasis on sleep, and obesity medicine. In his free time, he enjoys running, photography, and chasing his daughters and corgi around the back yard.
Dr. Daniel Henderson graduated from the University of Connecticut School of Medicine, the Harvard School of Public Health, and completed Internal Medicine residency at Columbia University. He is Board Certified in Internal Medicine. Dr. Henderson was previously an innovation fellow at the Massachusetts General Hospital, where he ran the hospital's quality improvement academy, helped establish the MGH Healthy Lifestyle Program, and was the primary care physician to many MGH health professionals, including over 100 physicians. He also served as CMO for instED, a Boston-based mobile urgent care provider, and led a grant-funded research project on stress balance and health with Ariadne Labs.
Dr. Henderson's clinical interests include heart health, lifestyle medicine with an emphasis on sleep, and obesity medicine. In his free time, he enjoys running, photography, and chasing his daughters and corgi around the back yard.
Nibal Harati, MD
Primary Care Partner
Dr. Harati is a highly experienced physician leader with over two decades of expertise in primary care and internal medicine, dedicated to providing comprehensive and compassionate patient care. Prior to joining Gather Health, he served as both a primary care provider in Quincy and the Director of Ambulatory Care for the Categorical Internal Medicine Residency Program at Steward Medical Group Carney Hospital in Boston. Throughout his career, Dr. Harati has held positions at respected institutions, including Plymouth Medical Group and Caritas Carney Hospital, consistently focusing on primary care and internal medicine. He has a particular interest in cardiology and a strong commitment to medical education, demonstrated by his experience as a preceptor for internal medicine residents.
Dr. Harati's contributions to medical research are evidenced by his publications in the Journal of the American College of Cardiology and his research fellowship at the New England Medical Center. He is fluent in English, French, and Arabic. In his free time, Dr. Harati enjoys traveling and spending time with his family.
Dr. Harati is a highly experienced physician leader with over two decades of expertise in primary care and internal medicine, dedicated to providing comprehensive and compassionate patient care. Prior to joining Gather Health, he served as both a primary care provider in Quincy and the Director of Ambulatory Care for the Categorical Internal Medicine Residency Program at Steward Medical Group Carney Hospital in Boston. Throughout his career, Dr. Harati has held positions at respected institutions, including Plymouth Medical Group and Caritas Carney Hospital, consistently focusing on primary care and internal medicine. He has a particular interest in cardiology and a strong commitment to medical education, demonstrated by his experience as a preceptor for internal medicine residents.
Dr. Harati's contributions to medical research are evidenced by his publications in the Journal of the American College of Cardiology and his research fellowship at the New England Medical Center. He is fluent in English, French, and Arabic. In his free time, Dr. Harati enjoys traveling and spending time with his family.
Alexander Griffin, MD
Regional Medical Director
Dr. Griffin is the Regional Medical Director at Gather Health, bringing over 14 years of experience as a board-certified Internal Medicine and Infectious Disease physician. His career is distinguished by a unique blend of clinical expertise and leadership in healthcare administration. Fluent in Spanish and with intermediate proficiency in Vietnamese, Dr. Griffin effectively communicates with diverse patient populations.
Before joining Gather Health, Dr. Griffin held several leadership roles, including Director of Ambulatory Medicine and Program Director for the Transitional Residency at Carney Hospital, as well as Infection Control Chair at New England Sinai Hospital. His experience includes managing complex medical care for hospitalized patients, conducting comprehensive assessments, interpreting diagnostic studies, and facilitating smooth transitions of care. Throughout his career, he has demonstrated a commitment to enhancing patient outcomes and optimizing healthcare delivery in various community settings.
Dr. Griffin is active in professional organizations and contributes to numerous publications and presentations, reflecting his dedication to ongoing learning and advocacy for quality healthcare for all. In his free time, he enjoys traveling and spending quality time with his loved ones.
Dr. Griffin is the Regional Medical Director at Gather Health, bringing over 14 years of experience as a board-certified Internal Medicine and Infectious Disease physician. His career is distinguished by a unique blend of clinical expertise and leadership in healthcare administration. Fluent in Spanish and with intermediate proficiency in Vietnamese, Dr. Griffin effectively communicates with diverse patient populations.
Before joining Gather Health, Dr. Griffin held several leadership roles, including Director of Ambulatory Medicine and Program Director for the Transitional Residency at Carney Hospital, as well as Infection Control Chair at New England Sinai Hospital. His experience includes managing complex medical care for hospitalized patients, conducting comprehensive assessments, interpreting diagnostic studies, and facilitating smooth transitions of care. Throughout his career, he has demonstrated a commitment to enhancing patient outcomes and optimizing healthcare delivery in various community settings.
Dr. Griffin is active in professional organizations and contributes to numerous publications and presentations, reflecting his dedication to ongoing learning and advocacy for quality healthcare for all. In his free time, he enjoys traveling and spending quality time with his loved ones.
Dan Henderson, MD
Regional Medical Director
Dr. Daniel Henderson graduated from the University of Connecticut School of Medicine, the Harvard School of Public Health, and completed Internal Medicine residency at Columbia University. He is Board Certified in Internal Medicine. Dr. Henderson was previously an innovation fellow at the Massachusetts General Hospital, where he ran the hospital's quality improvement academy, helped establish the MGH Healthy Lifestyle Program, and was the primary care physician to many MGH health professionals, including over 100 physicians. He also served as CMO for instED, a Boston-based mobile urgent care provider, and led a grant-funded research project on stress balance and health with Ariadne Labs.
Dr. Henderson's clinical interests include heart health, lifestyle medicine with an emphasis on sleep, and obesity medicine. In his free time, he enjoys running, photography, and chasing his daughters and corgi around the back yard.
Dr. Daniel Henderson graduated from the University of Connecticut School of Medicine, the Harvard School of Public Health, and completed Internal Medicine residency at Columbia University. He is Board Certified in Internal Medicine. Dr. Henderson was previously an innovation fellow at the Massachusetts General Hospital, where he ran the hospital's quality improvement academy, helped establish the MGH Healthy Lifestyle Program, and was the primary care physician to many MGH health professionals, including over 100 physicians. He also served as CMO for instED, a Boston-based mobile urgent care provider, and led a grant-funded research project on stress balance and health with Ariadne Labs.
Dr. Henderson's clinical interests include heart health, lifestyle medicine with an emphasis on sleep, and obesity medicine. In his free time, he enjoys running, photography, and chasing his daughters and corgi around the back yard.
Nibal Harati, MD
Primary Care Partner
Dr. Harati is a highly experienced physician leader with over two decades of expertise in primary care and internal medicine, dedicated to providing comprehensive and compassionate patient care. Prior to joining Gather Health, he served as both a primary care provider in Quincy and the Director of Ambulatory Care for the Categorical Internal Medicine Residency Program at Steward Medical Group Carney Hospital in Boston. Throughout his career, Dr. Harati has held positions at respected institutions, including Plymouth Medical Group and Caritas Carney Hospital, consistently focusing on primary care and internal medicine. He has a particular interest in cardiology and a strong commitment to medical education, demonstrated by his experience as a preceptor for internal medicine residents.
Dr. Harati's contributions to medical research are evidenced by his publications in the Journal of the American College of Cardiology and his research fellowship at the New England Medical Center. He is fluent in English, French, and Arabic. In his free time, Dr. Harati enjoys traveling and spending time with his family.
Dr. Harati is a highly experienced physician leader with over two decades of expertise in primary care and internal medicine, dedicated to providing comprehensive and compassionate patient care. Prior to joining Gather Health, he served as both a primary care provider in Quincy and the Director of Ambulatory Care for the Categorical Internal Medicine Residency Program at Steward Medical Group Carney Hospital in Boston. Throughout his career, Dr. Harati has held positions at respected institutions, including Plymouth Medical Group and Caritas Carney Hospital, consistently focusing on primary care and internal medicine. He has a particular interest in cardiology and a strong commitment to medical education, demonstrated by his experience as a preceptor for internal medicine residents.
Dr. Harati's contributions to medical research are evidenced by his publications in the Journal of the American College of Cardiology and his research fellowship at the New England Medical Center. He is fluent in English, French, and Arabic. In his free time, Dr. Harati enjoys traveling and spending time with his family.
Alexander Griffin, MD
Regional Medical Director
Dr. Griffin is the Regional Medical Director at Gather Health, bringing over 14 years of experience as a board-certified Internal Medicine and Infectious Disease physician. His career is distinguished by a unique blend of clinical expertise and leadership in healthcare administration. Fluent in Spanish and with intermediate proficiency in Vietnamese, Dr. Griffin effectively communicates with diverse patient populations.
Before joining Gather Health, Dr. Griffin held several leadership roles, including Director of Ambulatory Medicine and Program Director for the Transitional Residency at Carney Hospital, as well as Infection Control Chair at New England Sinai Hospital. His experience includes managing complex medical care for hospitalized patients, conducting comprehensive assessments, interpreting diagnostic studies, and facilitating smooth transitions of care. Throughout his career, he has demonstrated a commitment to enhancing patient outcomes and optimizing healthcare delivery in various community settings.
Dr. Griffin is active in professional organizations and contributes to numerous publications and presentations, reflecting his dedication to ongoing learning and advocacy for quality healthcare for all. In his free time, he enjoys traveling and spending quality time with his loved ones.
Dr. Griffin is the Regional Medical Director at Gather Health, bringing over 14 years of experience as a board-certified Internal Medicine and Infectious Disease physician. His career is distinguished by a unique blend of clinical expertise and leadership in healthcare administration. Fluent in Spanish and with intermediate proficiency in Vietnamese, Dr. Griffin effectively communicates with diverse patient populations.
Before joining Gather Health, Dr. Griffin held several leadership roles, including Director of Ambulatory Medicine and Program Director for the Transitional Residency at Carney Hospital, as well as Infection Control Chair at New England Sinai Hospital. His experience includes managing complex medical care for hospitalized patients, conducting comprehensive assessments, interpreting diagnostic studies, and facilitating smooth transitions of care. Throughout his career, he has demonstrated a commitment to enhancing patient outcomes and optimizing healthcare delivery in various community settings.
Dr. Griffin is active in professional organizations and contributes to numerous publications and presentations, reflecting his dedication to ongoing learning and advocacy for quality healthcare for all. In his free time, he enjoys traveling and spending quality time with his loved ones.
Dan Henderson, MD
Regional Medical Director
Dr. Daniel Henderson graduated from the University of Connecticut School of Medicine, the Harvard School of Public Health, and completed Internal Medicine residency at Columbia University. He is Board Certified in Internal Medicine. Dr. Henderson was previously an innovation fellow at the Massachusetts General Hospital, where he ran the hospital's quality improvement academy, helped establish the MGH Healthy Lifestyle Program, and was the primary care physician to many MGH health professionals, including over 100 physicians. He also served as CMO for instED, a Boston-based mobile urgent care provider, and led a grant-funded research project on stress balance and health with Ariadne Labs.
Dr. Henderson's clinical interests include heart health, lifestyle medicine with an emphasis on sleep, and obesity medicine. In his free time, he enjoys running, photography, and chasing his daughters and corgi around the back yard.
Dr. Daniel Henderson graduated from the University of Connecticut School of Medicine, the Harvard School of Public Health, and completed Internal Medicine residency at Columbia University. He is Board Certified in Internal Medicine. Dr. Henderson was previously an innovation fellow at the Massachusetts General Hospital, where he ran the hospital's quality improvement academy, helped establish the MGH Healthy Lifestyle Program, and was the primary care physician to many MGH health professionals, including over 100 physicians. He also served as CMO for instED, a Boston-based mobile urgent care provider, and led a grant-funded research project on stress balance and health with Ariadne Labs.
Dr. Henderson's clinical interests include heart health, lifestyle medicine with an emphasis on sleep, and obesity medicine. In his free time, he enjoys running, photography, and chasing his daughters and corgi around the back yard.
Nibal Harati, MD
Primary Care Partner
Dr. Harati is a highly experienced physician leader with over two decades of expertise in primary care and internal medicine, dedicated to providing comprehensive and compassionate patient care. Prior to joining Gather Health, he served as both a primary care provider in Quincy and the Director of Ambulatory Care for the Categorical Internal Medicine Residency Program at Steward Medical Group Carney Hospital in Boston. Throughout his career, Dr. Harati has held positions at respected institutions, including Plymouth Medical Group and Caritas Carney Hospital, consistently focusing on primary care and internal medicine. He has a particular interest in cardiology and a strong commitment to medical education, demonstrated by his experience as a preceptor for internal medicine residents.
Dr. Harati's contributions to medical research are evidenced by his publications in the Journal of the American College of Cardiology and his research fellowship at the New England Medical Center. He is fluent in English, French, and Arabic. In his free time, Dr. Harati enjoys traveling and spending time with his family.
Dr. Harati is a highly experienced physician leader with over two decades of expertise in primary care and internal medicine, dedicated to providing comprehensive and compassionate patient care. Prior to joining Gather Health, he served as both a primary care provider in Quincy and the Director of Ambulatory Care for the Categorical Internal Medicine Residency Program at Steward Medical Group Carney Hospital in Boston. Throughout his career, Dr. Harati has held positions at respected institutions, including Plymouth Medical Group and Caritas Carney Hospital, consistently focusing on primary care and internal medicine. He has a particular interest in cardiology and a strong commitment to medical education, demonstrated by his experience as a preceptor for internal medicine residents.
Dr. Harati's contributions to medical research are evidenced by his publications in the Journal of the American College of Cardiology and his research fellowship at the New England Medical Center. He is fluent in English, French, and Arabic. In his free time, Dr. Harati enjoys traveling and spending time with his family.
Alexander Griffin, MD
Regional Medical Director
Dr. Griffin is the Regional Medical Director at Gather Health, bringing over 14 years of experience as a board-certified Internal Medicine and Infectious Disease physician. His career is distinguished by a unique blend of clinical expertise and leadership in healthcare administration. Fluent in Spanish and with intermediate proficiency in Vietnamese, Dr. Griffin effectively communicates with diverse patient populations.
Before joining Gather Health, Dr. Griffin held several leadership roles, including Director of Ambulatory Medicine and Program Director for the Transitional Residency at Carney Hospital, as well as Infection Control Chair at New England Sinai Hospital. His experience includes managing complex medical care for hospitalized patients, conducting comprehensive assessments, interpreting diagnostic studies, and facilitating smooth transitions of care. Throughout his career, he has demonstrated a commitment to enhancing patient outcomes and optimizing healthcare delivery in various community settings.
Dr. Griffin is active in professional organizations and contributes to numerous publications and presentations, reflecting his dedication to ongoing learning and advocacy for quality healthcare for all. In his free time, he enjoys traveling and spending quality time with his loved ones.
Dr. Griffin is the Regional Medical Director at Gather Health, bringing over 14 years of experience as a board-certified Internal Medicine and Infectious Disease physician. His career is distinguished by a unique blend of clinical expertise and leadership in healthcare administration. Fluent in Spanish and with intermediate proficiency in Vietnamese, Dr. Griffin effectively communicates with diverse patient populations.
Before joining Gather Health, Dr. Griffin held several leadership roles, including Director of Ambulatory Medicine and Program Director for the Transitional Residency at Carney Hospital, as well as Infection Control Chair at New England Sinai Hospital. His experience includes managing complex medical care for hospitalized patients, conducting comprehensive assessments, interpreting diagnostic studies, and facilitating smooth transitions of care. Throughout his career, he has demonstrated a commitment to enhancing patient outcomes and optimizing healthcare delivery in various community settings.
Dr. Griffin is active in professional organizations and contributes to numerous publications and presentations, reflecting his dedication to ongoing learning and advocacy for quality healthcare for all. In his free time, he enjoys traveling and spending quality time with his loved ones.
Dan Henderson, MD
Regional Medical Director
Dr. Daniel Henderson graduated from the University of Connecticut School of Medicine, the Harvard School of Public Health, and completed Internal Medicine residency at Columbia University. He is Board Certified in Internal Medicine. Dr. Henderson was previously an innovation fellow at the Massachusetts General Hospital, where he ran the hospital's quality improvement academy, helped establish the MGH Healthy Lifestyle Program, and was the primary care physician to many MGH health professionals, including over 100 physicians. He also served as CMO for instED, a Boston-based mobile urgent care provider, and led a grant-funded research project on stress balance and health with Ariadne Labs.
Dr. Henderson's clinical interests include heart health, lifestyle medicine with an emphasis on sleep, and obesity medicine. In his free time, he enjoys running, photography, and chasing his daughters and corgi around the back yard.
Dr. Daniel Henderson graduated from the University of Connecticut School of Medicine, the Harvard School of Public Health, and completed Internal Medicine residency at Columbia University. He is Board Certified in Internal Medicine. Dr. Henderson was previously an innovation fellow at the Massachusetts General Hospital, where he ran the hospital's quality improvement academy, helped establish the MGH Healthy Lifestyle Program, and was the primary care physician to many MGH health professionals, including over 100 physicians. He also served as CMO for instED, a Boston-based mobile urgent care provider, and led a grant-funded research project on stress balance and health with Ariadne Labs.
Dr. Henderson's clinical interests include heart health, lifestyle medicine with an emphasis on sleep, and obesity medicine. In his free time, he enjoys running, photography, and chasing his daughters and corgi around the back yard.
Nibal Harati, MD
Primary Care Partner
Dr. Harati is a highly experienced physician leader with over two decades of expertise in primary care and internal medicine, dedicated to providing comprehensive and compassionate patient care. Prior to joining Gather Health, he served as both a primary care provider in Quincy and the Director of Ambulatory Care for the Categorical Internal Medicine Residency Program at Steward Medical Group Carney Hospital in Boston. Throughout his career, Dr. Harati has held positions at respected institutions, including Plymouth Medical Group and Caritas Carney Hospital, consistently focusing on primary care and internal medicine. He has a particular interest in cardiology and a strong commitment to medical education, demonstrated by his experience as a preceptor for internal medicine residents.
Dr. Harati's contributions to medical research are evidenced by his publications in the Journal of the American College of Cardiology and his research fellowship at the New England Medical Center. He is fluent in English, French, and Arabic. In his free time, Dr. Harati enjoys traveling and spending time with his family.
Dr. Harati is a highly experienced physician leader with over two decades of expertise in primary care and internal medicine, dedicated to providing comprehensive and compassionate patient care. Prior to joining Gather Health, he served as both a primary care provider in Quincy and the Director of Ambulatory Care for the Categorical Internal Medicine Residency Program at Steward Medical Group Carney Hospital in Boston. Throughout his career, Dr. Harati has held positions at respected institutions, including Plymouth Medical Group and Caritas Carney Hospital, consistently focusing on primary care and internal medicine. He has a particular interest in cardiology and a strong commitment to medical education, demonstrated by his experience as a preceptor for internal medicine residents.
Dr. Harati's contributions to medical research are evidenced by his publications in the Journal of the American College of Cardiology and his research fellowship at the New England Medical Center. He is fluent in English, French, and Arabic. In his free time, Dr. Harati enjoys traveling and spending time with his family.
Alexander Griffin, MD
Regional Medical Director
Dr. Griffin is the Regional Medical Director at Gather Health, bringing over 14 years of experience as a board-certified Internal Medicine and Infectious Disease physician. His career is distinguished by a unique blend of clinical expertise and leadership in healthcare administration. Fluent in Spanish and with intermediate proficiency in Vietnamese, Dr. Griffin effectively communicates with diverse patient populations.
Before joining Gather Health, Dr. Griffin held several leadership roles, including Director of Ambulatory Medicine and Program Director for the Transitional Residency at Carney Hospital, as well as Infection Control Chair at New England Sinai Hospital. His experience includes managing complex medical care for hospitalized patients, conducting comprehensive assessments, interpreting diagnostic studies, and facilitating smooth transitions of care. Throughout his career, he has demonstrated a commitment to enhancing patient outcomes and optimizing healthcare delivery in various community settings.
Dr. Griffin is active in professional organizations and contributes to numerous publications and presentations, reflecting his dedication to ongoing learning and advocacy for quality healthcare for all. In his free time, he enjoys traveling and spending quality time with his loved ones.
Dr. Griffin is the Regional Medical Director at Gather Health, bringing over 14 years of experience as a board-certified Internal Medicine and Infectious Disease physician. His career is distinguished by a unique blend of clinical expertise and leadership in healthcare administration. Fluent in Spanish and with intermediate proficiency in Vietnamese, Dr. Griffin effectively communicates with diverse patient populations.
Before joining Gather Health, Dr. Griffin held several leadership roles, including Director of Ambulatory Medicine and Program Director for the Transitional Residency at Carney Hospital, as well as Infection Control Chair at New England Sinai Hospital. His experience includes managing complex medical care for hospitalized patients, conducting comprehensive assessments, interpreting diagnostic studies, and facilitating smooth transitions of care. Throughout his career, he has demonstrated a commitment to enhancing patient outcomes and optimizing healthcare delivery in various community settings.
Dr. Griffin is active in professional organizations and contributes to numerous publications and presentations, reflecting his dedication to ongoing learning and advocacy for quality healthcare for all. In his free time, he enjoys traveling and spending quality time with his loved ones.
Dan Henderson, MD
Regional Medical Director
Dr. Daniel Henderson graduated from the University of Connecticut School of Medicine, the Harvard School of Public Health, and completed Internal Medicine residency at Columbia University. He is Board Certified in Internal Medicine. Dr. Henderson was previously an innovation fellow at the Massachusetts General Hospital, where he ran the hospital's quality improvement academy, helped establish the MGH Healthy Lifestyle Program, and was the primary care physician to many MGH health professionals, including over 100 physicians. He also served as CMO for instED, a Boston-based mobile urgent care provider, and led a grant-funded research project on stress balance and health with Ariadne Labs.
Dr. Henderson's clinical interests include heart health, lifestyle medicine with an emphasis on sleep, and obesity medicine. In his free time, he enjoys running, photography, and chasing his daughters and corgi around the back yard.
Dr. Daniel Henderson graduated from the University of Connecticut School of Medicine, the Harvard School of Public Health, and completed Internal Medicine residency at Columbia University. He is Board Certified in Internal Medicine. Dr. Henderson was previously an innovation fellow at the Massachusetts General Hospital, where he ran the hospital's quality improvement academy, helped establish the MGH Healthy Lifestyle Program, and was the primary care physician to many MGH health professionals, including over 100 physicians. He also served as CMO for instED, a Boston-based mobile urgent care provider, and led a grant-funded research project on stress balance and health with Ariadne Labs.
Dr. Henderson's clinical interests include heart health, lifestyle medicine with an emphasis on sleep, and obesity medicine. In his free time, he enjoys running, photography, and chasing his daughters and corgi around the back yard.
Nibal Harati, MD
Primary Care Partner
Dr. Harati is a highly experienced physician leader with over two decades of expertise in primary care and internal medicine, dedicated to providing comprehensive and compassionate patient care. Prior to joining Gather Health, he served as both a primary care provider in Quincy and the Director of Ambulatory Care for the Categorical Internal Medicine Residency Program at Steward Medical Group Carney Hospital in Boston. Throughout his career, Dr. Harati has held positions at respected institutions, including Plymouth Medical Group and Caritas Carney Hospital, consistently focusing on primary care and internal medicine. He has a particular interest in cardiology and a strong commitment to medical education, demonstrated by his experience as a preceptor for internal medicine residents.
Dr. Harati's contributions to medical research are evidenced by his publications in the Journal of the American College of Cardiology and his research fellowship at the New England Medical Center. He is fluent in English, French, and Arabic. In his free time, Dr. Harati enjoys traveling and spending time with his family.
Dr. Harati is a highly experienced physician leader with over two decades of expertise in primary care and internal medicine, dedicated to providing comprehensive and compassionate patient care. Prior to joining Gather Health, he served as both a primary care provider in Quincy and the Director of Ambulatory Care for the Categorical Internal Medicine Residency Program at Steward Medical Group Carney Hospital in Boston. Throughout his career, Dr. Harati has held positions at respected institutions, including Plymouth Medical Group and Caritas Carney Hospital, consistently focusing on primary care and internal medicine. He has a particular interest in cardiology and a strong commitment to medical education, demonstrated by his experience as a preceptor for internal medicine residents.
Dr. Harati's contributions to medical research are evidenced by his publications in the Journal of the American College of Cardiology and his research fellowship at the New England Medical Center. He is fluent in English, French, and Arabic. In his free time, Dr. Harati enjoys traveling and spending time with his family.
Alexander Griffin, MD
Regional Medical Director
Dr. Griffin is the Regional Medical Director at Gather Health, bringing over 14 years of experience as a board-certified Internal Medicine and Infectious Disease physician. His career is distinguished by a unique blend of clinical expertise and leadership in healthcare administration. Fluent in Spanish and with intermediate proficiency in Vietnamese, Dr. Griffin effectively communicates with diverse patient populations.
Before joining Gather Health, Dr. Griffin held several leadership roles, including Director of Ambulatory Medicine and Program Director for the Transitional Residency at Carney Hospital, as well as Infection Control Chair at New England Sinai Hospital. His experience includes managing complex medical care for hospitalized patients, conducting comprehensive assessments, interpreting diagnostic studies, and facilitating smooth transitions of care. Throughout his career, he has demonstrated a commitment to enhancing patient outcomes and optimizing healthcare delivery in various community settings.
Dr. Griffin is active in professional organizations and contributes to numerous publications and presentations, reflecting his dedication to ongoing learning and advocacy for quality healthcare for all. In his free time, he enjoys traveling and spending quality time with his loved ones.
Dr. Griffin is the Regional Medical Director at Gather Health, bringing over 14 years of experience as a board-certified Internal Medicine and Infectious Disease physician. His career is distinguished by a unique blend of clinical expertise and leadership in healthcare administration. Fluent in Spanish and with intermediate proficiency in Vietnamese, Dr. Griffin effectively communicates with diverse patient populations.
Before joining Gather Health, Dr. Griffin held several leadership roles, including Director of Ambulatory Medicine and Program Director for the Transitional Residency at Carney Hospital, as well as Infection Control Chair at New England Sinai Hospital. His experience includes managing complex medical care for hospitalized patients, conducting comprehensive assessments, interpreting diagnostic studies, and facilitating smooth transitions of care. Throughout his career, he has demonstrated a commitment to enhancing patient outcomes and optimizing healthcare delivery in various community settings.
Dr. Griffin is active in professional organizations and contributes to numerous publications and presentations, reflecting his dedication to ongoing learning and advocacy for quality healthcare for all. In his free time, he enjoys traveling and spending quality time with his loved ones.
Dan Henderson, MD
Regional Medical Director
Dr. Daniel Henderson graduated from the University of Connecticut School of Medicine, the Harvard School of Public Health, and completed Internal Medicine residency at Columbia University. He is Board Certified in Internal Medicine. Dr. Henderson was previously an innovation fellow at the Massachusetts General Hospital, where he ran the hospital's quality improvement academy, helped establish the MGH Healthy Lifestyle Program, and was the primary care physician to many MGH health professionals, including over 100 physicians. He also served as CMO for instED, a Boston-based mobile urgent care provider, and led a grant-funded research project on stress balance and health with Ariadne Labs.
Dr. Henderson's clinical interests include heart health, lifestyle medicine with an emphasis on sleep, and obesity medicine. In his free time, he enjoys running, photography, and chasing his daughters and corgi around the back yard.
Dr. Daniel Henderson graduated from the University of Connecticut School of Medicine, the Harvard School of Public Health, and completed Internal Medicine residency at Columbia University. He is Board Certified in Internal Medicine. Dr. Henderson was previously an innovation fellow at the Massachusetts General Hospital, where he ran the hospital's quality improvement academy, helped establish the MGH Healthy Lifestyle Program, and was the primary care physician to many MGH health professionals, including over 100 physicians. He also served as CMO for instED, a Boston-based mobile urgent care provider, and led a grant-funded research project on stress balance and health with Ariadne Labs.
Dr. Henderson's clinical interests include heart health, lifestyle medicine with an emphasis on sleep, and obesity medicine. In his free time, he enjoys running, photography, and chasing his daughters and corgi around the back yard.
Nibal Harati, MD
Primary Care Partner
Dr. Harati is a highly experienced physician leader with over two decades of expertise in primary care and internal medicine, dedicated to providing comprehensive and compassionate patient care. Prior to joining Gather Health, he served as both a primary care provider in Quincy and the Director of Ambulatory Care for the Categorical Internal Medicine Residency Program at Steward Medical Group Carney Hospital in Boston. Throughout his career, Dr. Harati has held positions at respected institutions, including Plymouth Medical Group and Caritas Carney Hospital, consistently focusing on primary care and internal medicine. He has a particular interest in cardiology and a strong commitment to medical education, demonstrated by his experience as a preceptor for internal medicine residents.
Dr. Harati's contributions to medical research are evidenced by his publications in the Journal of the American College of Cardiology and his research fellowship at the New England Medical Center. He is fluent in English, French, and Arabic. In his free time, Dr. Harati enjoys traveling and spending time with his family.
Dr. Harati is a highly experienced physician leader with over two decades of expertise in primary care and internal medicine, dedicated to providing comprehensive and compassionate patient care. Prior to joining Gather Health, he served as both a primary care provider in Quincy and the Director of Ambulatory Care for the Categorical Internal Medicine Residency Program at Steward Medical Group Carney Hospital in Boston. Throughout his career, Dr. Harati has held positions at respected institutions, including Plymouth Medical Group and Caritas Carney Hospital, consistently focusing on primary care and internal medicine. He has a particular interest in cardiology and a strong commitment to medical education, demonstrated by his experience as a preceptor for internal medicine residents.
Dr. Harati's contributions to medical research are evidenced by his publications in the Journal of the American College of Cardiology and his research fellowship at the New England Medical Center. He is fluent in English, French, and Arabic. In his free time, Dr. Harati enjoys traveling and spending time with his family.
Events Calendar
bottom of page